期刊
CARBON LETTERS
卷 19, 期 1, 页码 32-39出版社
SPRINGER
DOI: 10.5714/CL.2016.19.032
关键词
carbon fibers; epoxy; electrochemical oxidation; surface properties; interfacial shear strength
资金
- Carbon Valley R&D Project - Ministry of Trade, Industry Energy (MOTIE) [R0000689, R0003404]
- National Research Foundation of Korea(NRF) - the ministry of education, science and technology, Republic of Korea [2013R1A1A2062899]
- National Research Foundation of Korea [2013R1A1A2062899] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In this work, we studied the effects of electrochemical oxidation treatments of carbon fibers (CFs) on interfacial adhesion between CF and epoxy resin with various current densities. The surface morphologies and properties of the CFs before and after electrochemical-oxidation-treatment were characterized using field emission scanning electron microscopy, atomic force microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and single-fiber contact angle. The mechanical interfacial shear strength of the CFs/epoxy matrix composites was investigated by using a micro-bond method. From the results, electrochemical oxidation treatment introduced oxygen functional groups and increased roughness on the fiber surface. The mechanical interfacial adhesion strength also showed higher values than that of an untreated CF-reinforced composite.
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